Update use mediadrmserver config property name

persist.device_config.media_native.* prefix requires SELinux permissions

Bug: 134787536
Test: toggle between remote vs local Drm/Crypto
Change-Id: I2e31a20d5bf39653529beae4b81ba305da7aeafc
diff --git a/drm/libmediadrm/DrmUtils.cpp b/drm/libmediadrm/DrmUtils.cpp
index 7cc1697..5cfd7c0 100644
--- a/drm/libmediadrm/DrmUtils.cpp
+++ b/drm/libmediadrm/DrmUtils.cpp
@@ -70,7 +70,7 @@
 } // namespace
 
 bool UseDrmService() {
-    return property_get_bool("persist.device_config.media_native.mediadrmserver", true);
+    return property_get_bool("mediadrm.use_mediadrmserver", true);
 }
 
 sp<IDrm> MakeDrm(status_t *pstatus) {